| 例句 |
doubtful adj.
⇨ unlikely 1 (It is doubtful if he'll play tomorrow.) ⇨ unsure (doubtful about sth)unlikely1 adjective unlikely to succeed 不大可能成功an unlikely explanation 令人难以信服的解释unlikely ♦︎ doubtful ♦︎ improbableThese words all describe things that are not likely to happen or be true. 这些词均表示不大可能发生的、未必真实的。PATTERNS AND COLLOCATIONS 句型和搭配◆to be unlikely / doubtful / improbable that...◆to seem / look / make sth unlikely / doubtful / improbable◆very / highly / extremely / rather / somewhat unlikely / doubtful / improbable■ unlikely not likely to happen or be true 不大可能发生的；未必真实的◆The project seemed unlikely to succeed.这个项目似乎不大可能成功。◆It's most unlikely that she'll arrive before seven.她在7点前到达基本不可能。◆In the unlikely event of a problem arising, please contact the hotel manager.万一出现问题，请找旅馆经理。 OPP likely ⇨ likely ■ doubtful [not usually before noun] (rather formal, especially written) unlikely 不大可能；未必；难说◆It is doubtful if this painting is a Picasso.这未必就是毕加索的画。◆It is doubtful whether the car will last another year.这辆车是否还能用上一年很难说。◆Terry is injured and is doubtful for the game tomorrow (= unlikely to play).特里受了伤，明天未必能参赛。ⓘ In this meaning doubtful is nearly always followed by if, whether, for or that.... 表达此义时，doubtful几乎总是后接if、whether、for或that ...。 see also doubt ⇨ doubt noun 1 , doubt ⇨ doubt verb ■ improbable (rather formal, written) unlikely 不大可能发生的；未必真实的◆The whole story sounded highly improbable.整个故事听上去很荒唐。◆It seemed improbable that the fine weather would continue.好天气似乎不大可能继续下去。ⓘ Improbable is more formal than unlikely and cannot be followed by to + infinitive. * improbable较unlikely正式，后面不能接带to的不定式◆The project seemed improbable to succeed. OPP probable ⇨ likely unsure adjective unsure ♦︎ undecided ♦︎ uncertain ♦︎ hesitant ♦︎ ambivalent ♦︎ doubtful ♦︎ dubious ♦︎ in doubtThese words all describe sb who has feelings of doubt or uncertainty about sb/sth. 这些词均表示无把握的、拿不准的、不确定的。PATTERNS AND COLLOCATIONS 句型和搭配◆unsure / undecided / uncertain / hesitant / ambivalent / doubtful / dubious / in doubt about sth◆unsure / undecided / uncertain / doubtful / dubious / in doubt as to sth◆unsure / uncertain / hesitant / doubtful / dubious of sth◆unsure / undecided / uncertain what...◆unsure / uncertain how...◆a bit / rather / somewhat unsure / hesitant / ambivalent / doubtful / dubious◆somewhat unsure / hesitant / ambivalent / doubtful / dubious◆very unsure / undecided / uncertain / hesitant / ambivalent / doubtful / dubious■ unsure [not before noun] not certain or confident about sth; feeling doubt 无把握；犹豫；拿不准◆There were a lot of things I was unsure about.有许多事情我没把握。◆He was unsure of what to do next.他对下一步该做什么犹豫不定。◆I was unsure how to reply to this question.我拿不准该如何回答这个问题。OPP sure ⇨ sure ■ undecided / /ˌʌndɪˈsaɪdɪd/ / [not usually before noun] not having made a decision about sb/sth 未拿定主意；犹豫不决◆I'm still undecided about who to vote for.我还拿不定主意投谁的票。 see also decide ⇨ decide ■ uncertain [not usually before noun] not sure or confident about sth; feeling doubt 无把握；犹豫；拿不准◆They're both uncertain about what to do.他们两人都拿不定主意该怎么办。◆I'm still uncertain of my feelings for him.我仍不能肯定我对他的感情。 OPP certain ⇨ sure see also uncertainty ⇨ doubt noun 1 NOTE 辨析 Unsure or uncertain?When you are talking about people's feelings there is no real difference in meaning between these words, but unsure is about twice as frequent in both spoken and written English, and uncertain is slightly more formal. Uncertain (but not unsure) is more frequently used to talk about facts or situations that are not definite or decided. 谈论人的感情时这两个词在含义上没有实质差别，但unsure在口语和书面语的使用频率均约为uncertain的两倍，uncertain略正式些。uncertain（而非unsure）较常用以描述不确定的事实或悬而未决的局面。 see also uncertain ⇨ unclear ■ hesitant / /ˈhezɪtənt/ / [not before noun] slow to speak or act because you feel uncertain, embarrassed or unwilling 犹豫；踌躇；不情愿◆She's hesitant about signing the contract.她对是否签这个合同犹豫不决。◆Doctors are hesitant to comment on the new treatment.医生不愿对新疗法作出评论。 see also hesitant ⇨ hesitant ■ ambivalent / /æmˈbɪvələnt/ / (rather formal, especially written) having or showing both good and bad feelings about sb/sth 矛盾情绪的（喜忧参半、好坏参半等）◆She is deeply ambivalent about her feelings for him.她对他的感情十分矛盾。◆He has an ambivalent attitude towards her.他对她怀着矛盾的态度。■ doubtful thinking that sth is probably not possible or not a good idea; showing this 不确定的；拿不定主意的；怀疑的◆He was doubtful about accepting extra work.他拿不定主意是否接受额外工作。◆A doubtful look crossed her face.她脸上掠过一丝怀疑的神色。 see also doubt ⇨ doubt noun 1 ▸ doubtfully adverb ◆He shook his head doubtfully.他怀疑地摇了摇头。■ dubious /ˈdjuːbiəs; NAmE ˈduːbiəs/ [not usually before noun] doubtful 不确定；拿不定主意；怀疑◆I was rather dubious about the whole idea.我对整个想法持相当怀疑的态度。◆Kate looked dubious, but did as she was asked.凯特看上去半信半疑，但还是按要求的做了。▸ dubiously adverb ◆He looked dubiously at her.他怀疑地看了看她。NOTE 辨析 Doubtful or dubious?There is no real difference in meaning between these words; dubious is slightly more frequent in spoken English, but it is less often used before a noun. 这两个词在含义上没有实质差别；dubious稍多用于口语，但较少用于名词前。■ in ˈdoubt idiom feeling unsure about sth, especially about what you should do （尤指对该做什么）不肯定，不确定，拿不准◆If in doubt, wear black.拿不定主意的话就穿黑色衣服。 |